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Location and context awareness services have generated a lot of interest in the recent years, becoming a key feature to many applications of mobile devices. The rapid development in wireless communications and in satellite navigation systems also contributed to the popularity of location based services. The location technologies when properly combined can provide valuable event driven services to...
Location-awareness is considered a promising technology for use in constructing ubiquitous environments. And, though numerous research works have been devoted to localization problems, there have been relatively few theoretical analyses of network localizations. In this research field, recent research has contributed to finding a unique realization of a network graph G = (V, E) in a 2-dimensional...
This paper discusses the potential deployment of ultra-wideband (UWB) radio technology for next generation wireless communications. Firstly, the state-of-art in UWB technology is reviewed. Then, the current status of worldwide regulatory efforts and industrial standardization activities is discussed. Various technical challenges that remain to be solved prior to the successful deployment of UWB systems...
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